[mutter/gnome-3-28] Bump version to 3.28.3

[Florian Müllner <fmuellner src gnome org>]

commit 34f5bdeea3be10e200c52bac56763a267eb4d415
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Jul 18 22:42:48 2018 +0200

    Bump version to 3.28.3
    
    Update NEWS.

 NEWS         | 13 +++++++++++++
 configure.ac |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 41aabbbc5..92090cc50 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+3.28.3
+======
+* Handle touch events on server-side titlebars [Carlos; #770185]
+* Fix crash with unhandled mouse buttons on titlebars [Olivier; #160]
+* Fix Korean Hangul support on wayland [Changwoo; #152]
+* Fix crash when taking up from suspend [Jonas; #786929]
+* Fix crash with parent-less modal dialogs [Olivier; #174]
+* Misc. bug fixes [Olivier, Georges; #83, #112, #150, #104,
+
+Contributors:
+  Jonas Ådahl, Olivier Fourdan, Carlos Garnacho, Georges Basile Stavracas Neto,
+  Changwoo Ryu, Marco Trevisan (Treviño)
+
 3.28.2
 ======
 * Take inhibitors into account for monitoring idle [Bastien; #705942]
diff --git a/configure.ac b/configure.ac
index e6b2bf8bb..e795159a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.62)
 
 m4_define([mutter_major_version], [3])
 m4_define([mutter_minor_version], [28])
-m4_define([mutter_micro_version], [2])
+m4_define([mutter_micro_version], [3])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])